Castlerock killings

The Castlerock killings occurred on 25 March 1993 when five Ulster Defense Association-affiliated builders murdered four people in the village of Castlerock, County Londonderry, Northern Ireland. The builders were renovating houses in Castlerock, having already pulled off the Greysteel massacre; the UDA members murdered three civilians and a volunteer of the Provisional IRA in an attack targeting Irish Catholics. Torrens Knight, one of the Greysteel killers, was arrested for his role in the killings.